Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos anos foram ao todo 402?
 ###Tabelas: CREATE TABLE attendance_at_home_games (attendance_at_home_games_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Date VARCHAR, Against VARCHAR, Score AUFC – Away VARCHAR, Attendance INT, Weekday VARCHAR) CREATE TABLE 2007_data (2007_data_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Airport VARCHAR, Total Passengers INT, % Change 2006/2007 VARCHAR, International Passengers INT, Domestic Passengers INT, Transit Passengers INT, Aircraft Movements INT, Freight (Metric Tonnes) INT) CREATE TABLE fairbanks-morse (fairbanks-morse_id AUTO_INCREMENT PRIMARY KEY, PRR Class VARCHAR, Builder’s Model VARCHAR, Build date VARCHAR, Total produced INT, Wheel arrangement VARCHAR, Service VARCHAR, Power output VARCHAR) CREATE TABLE most_official_appearances (most_official_appearances_id AUTO_INCREMENT PRIMARY KEY, Ranking INT, Nationality VARCHAR, Name VARCHAR, Position VARCHAR, Years VARCHAR, League INT, Cup INT, Europe INT, Others INT, Total INT) CREATE TABLE switzerland (switzerland_id AUTO_INCREMENT PRIMARY KEY, Internet Plan VARCHAR, Downstream VARCHAR, Upstream VARCHAR, Bandwidth Included VARCHAR, Price VARCHAR)  
SELECT COUNT Years FROM most_official_appearances WHERE Total = 402